*{
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}
.box{
    width: 200px;
    height: 200px;
    margin: 100px auto;
    border-radius: 50%;
    overflow: hidden;
    animation: whn 3s linear infinite;
}
.box img{
    width: 200px;
    height: 200px;
}
.box:hover{
    animation-play-state: paused;
}
@keyframes whn{
    from{
        transform: rotate(0deg);
    }
    to{
        transform: rotate(360deg);
    }
}